Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst ElektrotechnikifiledCriticalInst Elektrotechniki
Priority to PL19339176ApriorityCriticalpatent/PL105118B1/pl
Publication of PL193391A1publicationCriticalpatent/PL193391A1/pl
Publication of PL105118B1publicationCriticalpatent/PL105118B1/pl